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Progress in Orthodontics
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Table 3 PSG examinations at T0 and T1

From: Role of mandibular displacement and airway size in improving breathing after rapid maxillary expansion

Variable T0 T1 T1-T0
SpO2 (%) 89.8 ± 1.1 95.5 ± 1.6 6.2 ± 0.5**
AHI (events) 5.7 ± 1.2 1.4 ± 0.6 −4.3 ± 0.6**
  1. Data are shown as mean ± SD. SpO2, oxygen saturation; AHI, apnea/hypopnea index. Levels of significance, *p < 0.05; **p < 0.01.
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